The new study from the University of Georgia Warnell School of Forestry and Natural Resources found that six different species emit a greenish light when exposed to UV rays.
This is the first discovery of such a phenomenon for bats located in this part of the world. The tricky thing now, the researchers say, is figuring out why;
https://www.futurity.org/bats-glow-green-under-uv-light-3301602/
Lee Skinner